Greek Hamburger Recipe

For the Hamburger Recipe:

• 2 pounds lamb ground
• 1/2 cup yogurt plain, Greek
• 1 tablespoon oregano dried
• 1/3 cup onion finely chopped
• 3 cloves garlic minced
• lemon zest of one
• 1/4 - 1/2 teaspoon red pepper flakes crushed
• 1 1/2 teaspoon salt
• 7 ounces feta cheese crumbled into large pieces
• olive oil for brushing
• 1 cup cucumber sliced
• 2 tomato sliced
• mint for garnish, leaves
• 6 pita bread or 3 large halved, small pockets

For the Yogurt Sauce:

• 1 cups yogurt plain, Greek
• 1/2 cucumber peeled
• 1/2 teaspoon salt
• 1 clove garlic smashed
• 1 tablespoon olive oil
• lemon + 1 tsp. lemon juice, zest of one
• 1 teaspoon mint fresh, chopped